3320225521 has 4 divisors (see below), whose sum is σ = 3397440112. Its totient is φ = 3243010932.

The previous prime is 3320225473. The next prime is 3320225527. The reversal of 3320225521 is 1255220233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1255220233 = 643 ⋅1952131.

It is a cyclic number.

It is not a de Polignac number, because 3320225521 - 2⁷ = 3320225393 is a prime.

It is a super-2 number, since 2×3320225521² = 22047795020599442882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3320225527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38607231 + ... + 38607316.

It is an arithmetic number, because the mean of its divisors is an integer number (849360028).

Almost surely, 2^3320225521 is an apocalyptic number.

It is an amenable number.

3320225521 is a deficient number, since it is larger than the sum of its proper divisors (77214591).

3320225521 is an equidigital number, since it uses as much as digits as its factorization.

3320225521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77214590.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3320225521 is about 57621.3981173661. The cubic root of 3320225521 is about 1491.8409629123.

Adding to 3320225521 its reverse (1255220233), we get a palindrome (4575445754).

The spelling of 3320225521 in words is "three billion, three hundred twenty million, two hundred twenty-five thousand, five hundred twenty-one".